Title: Lettermint Author: Lettermint Published: June 1, 2025 Last modified: April 1, 2026 --- Search plugins ![](https://ps.w.org/lettermint/assets/banner-772x250.jpg?rev=3312966) ![](https://ps.w.org/lettermint/assets/icon-256x256.jpg?rev=3304449) # Lettermint By [Lettermint](https://profiles.wordpress.org/lettermint/) [Download](https://downloads.wordpress.org/plugin/lettermint.1.4.3.zip) * [Details](https://pcd.wordpress.org/plugins/lettermint/#description) * [Reviews](https://pcd.wordpress.org/plugins/lettermint/#reviews) * [Installation](https://pcd.wordpress.org/plugins/lettermint/#installation) * [Development](https://pcd.wordpress.org/plugins/lettermint/#developers) [Support](https://wordpress.org/support/plugin/lettermint/) ## Description [Lettermint](https://lettermint.co) is a professional email delivery plugin that seamlessly integrates with WordPress’s built-in wp_mail() function to send transactional emails through the Lettermint email service. Based in Europe, Lettermint provides reliable email delivery with excellent deliverability rates. #### Features * **Seamless Integration**: Works with wp_mail() – no code changes required * **Europe-based Service**: GDPR compliant email service based in Europe * **Easy Configuration**: Simple setup with just your API token and sender email * **Comprehensive Logging**: Optional email activity logging with detailed information * **Conflict Detection**: Automatically detects and warns about conflicting email plugins * **Test Email**: Built-in test email functionality to verify your setup #### How It Works 1. Install and activate the Lettermint plugin 2. Get your API token from [Lettermint Dashboard](https://dash.lettermint.co/projects) 3. Configure your settings in WordPress admin under Settings > Lettermint 4. All WordPress emails will automatically be sent through Lettermint #### Requirements * WordPress 5.0 or higher * PHP 7.4 or higher * Lettermint account and API token ### Configuration #### Required Settings * **API Token**: Your Lettermint API token from your project #### Optional Settings * **From Email Address**: Custom sender email address (uses WordPress default if empty) * **Force Email Address**: Override sender addresses set by plugins with your configured email * **Enable Logs**: Keep track of email activities and API responses ### External Services This plugin uses an external service to deliver transactional emails via the Lettermint API. * **Service Name**: Lettermint API (https://lettermint.co) * **Purpose**: This service is used to send transactional emails generated by WordPress( e.g. password resets, contact form notifications, WooCommerce emails, etc.) through the Lettermint email infrastructure. * **What Data Is Sent**: Each time an email is sent via WordPress, the following data is sent to the Lettermint API: - Email recipient(s) - Subject - Email content (HTML and plain text) - Sender email address - Headers (optional) * **When Is Data Sent**: Data is only sent when an email is triggered by WordPress and the plugin is active and properly configured. * **Where**: All data is sent to Lettermint’s API endpoint: `https://api.lettermint. co` * **Terms and Policies**: - [Lettermint Terms of Use](https://lettermint.co/terms-of-service) - [Lettermint Privacy Policy](https://lettermint.co/privacy-policy) The plugin only communicates with Lettermint’s servers when sending an email and does not transmit or collect any other data beyond what is needed to send the email. ## Screenshots * [[ * General settings page with API token and sender email configuration * [[ * Test email functionality to verify your setup * [[ * Comprehensive logging with detailed email activity ## Installation 1. Upload the plugin files to the `/wp-content/plugins/lettermint` directory, or install the plugin through the WordPress plugins screen directly 2. Activate the plugin through the ‘Plugins’ screen in WordPress 3. Go to Settings > Lettermint to configure the plugin 4. Enter your Lettermint API token 5. Test your configuration using the built-in test email feature ## FAQ ### Where do I get my API token? You can get your API token from the [Lettermint Dashboard](https://dash.lettermint.co/projects) in your project settings. ### Will this work with my existing WordPress emails? Yes! The plugin seamlessly integrates with WordPress’s wp_mail() function, so all plugins and themes that send emails will automatically use Lettermint. ### What happens if there’s a conflict with another email plugin? The plugin automatically detects common email plugins and shows a warning if conflicts are detected. You should deactivate other email plugins to avoid conflicts. ### Can I test if emails are working? Yes! The plugin includes a built-in test email feature in the Settings > Lettermint > Test Email tab. ### Is logging required? No, logging is optional but recommended during setup to help troubleshoot any issues. You can disable it once everything is working properly. ## Reviews There are no reviews for this plugin. ## Contributors & Developers “Lettermint” is open source software. The following people have contributed to this plugin. Contributors * [ Lettermint ](https://profiles.wordpress.org/lettermint/) [Translate “Lettermint” into your language.](https://translate.wordpress.org/projects/wp-plugins/lettermint) ### Interested in development? [Browse the code](https://plugins.trac.wordpress.org/browser/lettermint/), check out the [SVN repository](https://plugins.svn.wordpress.org/lettermint/), or subscribe to the [development log](https://plugins.trac.wordpress.org/log/lettermint/) by [RSS](https://plugins.trac.wordpress.org/log/lettermint/?limit=100&mode=stop_on_copy&format=rss). ## Changelog #### 1.4.3 * Tested up to WordPress 7.0 * Updated admin header design to match new Lettermint dashboard branding #### 1.4.2 * Added WordPress and plugin version to test email footer * Added dismissible notice on logs page explaining Success status #### 1.4.1 * Fixed RFC 5322 compliance: from name now properly quoted for special characters( commas, ampersands, etc.) * Fixed HTML entities in blog name being sent as encoded text (e.g., & instead of &) #### 1.4.0 * Plugin now sends all emails through Lettermint when API token is configured * From Email Address is now optional (uses WordPress default when empty) * From Name is now optional (uses site name when empty) * Force Email Address and Force Name now work independently of each other * Simplified setup: just add your API token and you’re ready to go #### 1.3.1 * Fixed sender email now applies even when Force Email Address is disabled (allows plugins to override) * Improved description text for Force Email Address option * Fixed From email field placeholder to show WordPress default email instead of admin email #### 1.3.0 * Added API Token Test button to validate token before saving * Added Tag setting in Advanced Settings to tag all emails from a site * Added “From” column in logs table * Logs now capture all WordPress emails, including those sent via the default mailer * Logs are automatically cleared when disabling logging * Updated Dutch translations #### 1.2.1 * Added “Force HTML” option in Advanced Settings for sites where HTML emails are sent as plain text #### 1.2.0 * Fixed HTML emails not rendering correctly * Improved logs: added Subject and To columns for better overview * Added View Error button to see detailed error information in a modal * Updated Dutch translations #### 1.1.0 * Added “View Details” button in logs table linking to Lettermint dashboard * Improved interface * Added advanced settings section with custom route support #### 1.0.1 * Added Dutch translation support * Added sender name functionality with force override option #### 1.0.0 * Initial release * Seamless wp_mail() integration * API token and sender email configuration * Test email functionality * Comprehensive logging system * Plugin conflict detection * Professional WordPress admin interface * GDPR compliant Europe-based email service ## Meta * Version **1.4.3** * Last updated **3 days ago** * Active installations **100+** * WordPress version ** 5.0 or higher ** * Tested up to **7.0** * PHP version ** 7.4 or higher ** * Language * [English (US)](https://wordpress.org/plugins/lettermint/) * Tags * [email](https://pcd.wordpress.org/plugins/tags/email/)[smtp](https://pcd.wordpress.org/plugins/tags/smtp/) [transactional](https://pcd.wordpress.org/plugins/tags/transactional/)[wp-mail](https://pcd.wordpress.org/plugins/tags/wp-mail/) * [Advanced View](https://pcd.wordpress.org/plugins/lettermint/advanced/) ## Ratings No reviews have been submitted yet. [Add my review](https://wordpress.org/support/plugin/lettermint/reviews/#new-post) [See all reviews](https://wordpress.org/support/plugin/lettermint/reviews/) ## Contributors * [ Lettermint ](https://profiles.wordpress.org/lettermint/) ## Support Got something to say? Need help? [View support forum](https://wordpress.org/support/plugin/lettermint/)